PeerTrafficShapingHandler{ }
reconfigure{
  if (readLimit != this.readLimit || writeLimit != this.writeLimit) {
    this.writeLimit=writeLimit;
    this.readLimit=readLimit;
    configure(writeLimit,readLimit);
}
doAccounting{
  if (peer == null)   return;
  io.netty.handler.traffic.TrafficCounter.getLastReadThroughput
  io.netty.handler.traffic.TrafficCounter.getLastWriteThroughput
}
getPeer{ }
setPeer{ }
